CN213386273U - Stepping transfer device - Google Patents

Abstract

The application provides a stepping transfer device, which comprises a base, a first translation sliding seat, a reciprocating translation driving mechanism, a first clamping transfer frame, a second clamping transfer frame, a bearing plate, a first opening and closing driving mechanism and a lifting pressing mechanism, wherein the first translation sliding seat is in transmission connection with the reciprocating translation driving mechanism; the first clamping and transferring frame and the second clamping and transferring frame are arranged on the first translation sliding seat and can horizontally and oppositely move in an opening and closing manner, the bearing plate is fixed on the base along the horizontal conveying direction, a plurality of first V-shaped positioning grooves are formed in the first clamping and transferring frame, and second V-shaped positioning grooves which are correspondingly and oppositely aligned with the first V-shaped positioning grooves in a one-to-one correspondence manner are formed in the second clamping and transferring frame; the first clamping and transferring frame and the second clamping and transferring frame are in transmission connection with the first opening and closing driving mechanism; the first V-shaped positioning groove and the second V-shaped positioning groove which is opposite to the first V-shaped positioning groove clamp and position the workpiece, and the lifting pressing mechanism is far away from the workpiece; the first V-shaped positioning groove and the second V-shaped positioning groove which is opposite to the first V-shaped positioning groove are far away from the workpiece, and the lifting pressing mechanism is pressed against the workpiece.

Description

Stepping transfer device

Technical Field

The application relates to the technical field of workpiece transfer mechanical devices, in particular to a stepping transfer device.

Background

In the process of machining and assembling the fan, a square workpiece such as an outer frame of the fan needs to be transferred to a designated station for machining and assembling.

However, most of the existing transfer of workpieces such as outer frames needs to be completed manually, that is, the workpieces such as the outer frames need to be transferred to a designated station for processing and assembly through manual reciprocating motion, the transfer speed is slow, the operation efficiency is low, errors are easy to occur in the transfer stroke, the processing and assembly quality of the workpieces such as the outer frames is affected, furthermore, a large amount of labor is required to be consumed to circularly repeat the complicated transfer motion, fatigue is easy to occur, the production cost is high, and the high-efficiency, high-quality and batch production and processing requirements are difficult to adapt. In addition, in order to improve the transfer efficiency of workpieces such as outer frames, conveying equipment for mechanically transferring the workpieces such as the outer frames is also available on the market, the workpieces such as the outer frames are fixed by square fixing fixtures with constant sizes, namely, the sizes and specifications of the conveyed workpieces such as the outer frames are fixed and unchangeable, the adaptability is extremely poor, if the sizes and specifications of the conveyed workpieces such as the outer frames are changed, the whole set of fixing fixtures needs to be replaced, the replacement operation takes long time, the adjustment operation is difficult, and the use is very inconvenient.

Therefore, there is a need for a step transfer device to overcome the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a step-by-step transfer device, the step-by-step transfer device has the advantages of simple structure, fast transfer speed, accurate transfer stroke, capability of replacing manual operation and capability of adapting to transfer of workpieces with different sizes and specifications.

In order to achieve the above object, a first aspect of the embodiments of the present application provides a step transfer device adapted to transfer a workpiece in steps, wherein the step transfer device includes: the device comprises a base, a first translation sliding seat, a reciprocating translation driving mechanism, a first clamping and transferring frame, a second clamping and transferring frame, a bearing plate, a first opening and closing driving mechanism and a lifting and pressing mechanism, wherein the first translation sliding seat is movably arranged on the base along a horizontal conveying direction, the reciprocating translation driving mechanism is arranged on the base, and the first translation sliding seat is in transmission connection with the reciprocating translation driving mechanism; the first clamping and transferring frame and the second clamping and transferring frame are arranged on the first translation sliding seat and can be horizontally opened and closed relatively, and the moving directions of the first clamping and transferring frame and the second clamping and transferring frame are vertical to the horizontal conveying direction; the bearing plate is fixed on the base along the horizontal conveying direction, the bearing plate is positioned between the first clamping and transferring frame and the second clamping and transferring frame, and the workpiece is borne on the bearing plate; a plurality of first V-shaped positioning grooves are formed in the first clamping and transferring frame, the first V-shaped positioning grooves are uniformly distributed along the horizontal conveying direction at intervals, second V-shaped positioning grooves which are opposite to the first V-shaped positioning grooves in a one-to-one correspondence mode are formed in the second clamping and transferring frame, and a positioning clamping area for positioning and clamping the workpiece is formed between the first V-shaped positioning grooves and the second V-shaped positioning grooves opposite to the first V-shaped positioning grooves; the first opening and closing driving mechanism is arranged on the first translation sliding seat, and the first clamping and transferring frame and the second clamping and transferring frame are in transmission connection with the first opening and closing driving mechanism; the lifting pressing mechanism is arranged on the base, and when the first V-shaped positioning groove and the second V-shaped positioning groove which is opposite to the first V-shaped positioning groove clamp and position the corresponding workpiece, the lifting pressing mechanism is far away from the workpiece; when the first V-shaped positioning groove and the second V-shaped positioning groove which is opposite to the first V-shaped positioning groove are far away from the corresponding workpiece, the lifting pressing mechanism is pressed against the workpiece.

Optionally, the first opening and closing driving mechanism includes: the first rotary driver is fixed on the first translation sliding seat, the first bidirectional screw is horizontally pivoted on the first translation sliding seat and is perpendicular to the horizontal conveying direction, and the first bidirectional screw is in transmission connection with the output end of the first rotary driver; the first clamping and transferring frame is in threaded connection with one end of the first bidirectional screw, and the second clamping and transferring frame is in threaded connection with the other end of the first bidirectional screw.

Optionally, the step transfer device further comprises: and the first clamping and transferring frame and the second clamping and transferring frame horizontally move on the second translation sliding seat along the horizontal conveying direction.

Optionally, the step transfer device further comprises: a second opening and closing drive mechanism, the second opening and closing drive mechanism comprising: the second rotary driver is fixed on the second translation sliding seat, the second bidirectional screw is horizontally pivoted on the second translation sliding seat and is perpendicular to the horizontal conveying direction, and the second bidirectional screw is in transmission connection with the output end of the second rotary driver; the first clamping and transferring frame is in threaded connection with one end of the second bidirectional screw, and the second clamping and transferring frame is in threaded connection with the other end of the second bidirectional screw.

Optionally, the reciprocating translational drive mechanism comprises: the third rotary driver is fixed on the base, the one-way screw rod is pivoted on the base along the horizontal conveying direction, the one-way screw rod is in transmission connection with the output end of the third rotary driver, and the first translation sliding seat is in threaded connection with the one-way screw rod.

Optionally, the lifting and pressing mechanism comprises: the device comprises a linear driver, a connecting arm and a pressing plate, wherein the linear driver is vertically fixed on the base, the lower end of the connecting arm is fixedly connected to the output end of the linear driver, the pressing plate is horizontally fixed at the upper end of the connecting arm along the horizontal conveying direction, and the pressing plate is positioned right above the bearing plate; the pressing plate is provided with pressing parts, the number of the pressing parts is the same as that of the positioning and clamping areas, and the distance between every two adjacent pressing parts is equal to that between every two adjacent positioning and clamping areas.

Optionally, the middle part of the pressing part is provided with an avoiding hole.

Optionally, the lifting and pressing mechanism further comprises: at least one of the pressing parts is vertically and slidably provided with the positioning pipe, and the inner side of the lower end of the positioning pipe is also provided with a positioning conical surface.

Optionally, the lifting and pressing mechanism further includes elastic members corresponding to the positioning tubes one to one, the elastic members are abutted between the corresponding positioning tubes and the bottom surfaces of the pressing portions, and the elastic members constantly drive the positioning tubes to move downward.

Optionally, the first V-shaped positioning groove and the second V-shaped positioning groove are both right-angle grooves.

The first translation sliding seat of the stepping transfer device is movably arranged on the base along a horizontal conveying direction, the reciprocating translation driving mechanism is arranged on the base, and the first translation sliding seat is in transmission connection with the reciprocating translation driving mechanism; the first clamping and transferring frame and the second clamping and transferring frame are arranged on the first translation sliding seat and can be horizontally opened and closed relatively, and the moving directions of the first clamping and transferring frame and the second clamping and transferring frame are vertical to the horizontal conveying direction; the bearing plate is fixed on the base along the horizontal conveying direction, the bearing plate is positioned between the first clamping and transferring frame and the second clamping and transferring frame, and the workpiece is borne on the bearing plate; a plurality of first V-shaped positioning grooves are formed in the first clamping and transferring frame, the first V-shaped positioning grooves are uniformly distributed along the horizontal conveying direction at intervals, second V-shaped positioning grooves which are opposite and opposite to the first V-shaped positioning grooves in a one-to-one correspondence mode are formed in the second clamping and transferring frame, and a positioning and clamping area for positioning and clamping a workpiece is formed between the first V-shaped positioning grooves and the opposite second V-shaped positioning grooves; the first opening and closing driving mechanism is arranged on the first translation sliding seat, and the first clamping and transferring frame and the second clamping and transferring frame are in transmission connection with the first opening and closing driving mechanism; the lifting pressing mechanism is arranged on the base, and when the first V-shaped positioning groove and the second V-shaped positioning groove which is opposite to the first V-shaped positioning groove clamp and position the corresponding workpiece, the lifting pressing mechanism is far away from the workpiece; when the first V-shaped positioning groove and the second V-shaped positioning groove which are opposite to the first V-shaped positioning groove are far away from the corresponding workpiece, the lifting pressing mechanism is pressed against the workpiece. Then, the first opening and closing driving mechanism drives the first clamping and transferring frame and the second clamping and transferring frame to move close to each other until the first V-shaped positioning groove and the second V-shaped positioning groove which is opposite to the first V-shaped positioning groove clamp and position the corresponding workpiece, at the moment, the lifting and pressing mechanism is far away from the workpiece, and then the reciprocating translation driving mechanism drives the first translation sliding seat to drive the first clamping and transferring frame and the second clamping and transferring frame to synchronously move forwards along the horizontal conveying direction by a distance of the distance between two adjacent positioning and clamping areas, so that the workpiece is transferred from the original positioning and clamping area to the next adjacent positioning and clamping area; then, the first opening and closing driving mechanism drives the first clamping and transferring frame and the second clamping and transferring frame to move away from each other, so that the first V-shaped positioning groove and the second V-shaped positioning groove which are opposite to the first V-shaped positioning groove are far away from the corresponding workpiece, at the moment, the lifting and pressing mechanism is pressed against the workpiece to prevent the workpiece from displacing, then the reciprocating translation driving mechanism drives the first translation sliding seat to drive the first clamping and transferring frame and the second clamping and transferring frame to synchronously move backwards along the opposite direction of the horizontal conveying direction to reset a stroke of the distance length between two adjacent positioning and clamping areas, and then the circulation process of transferring the next workpiece can be started. The automatic stepping conveying device has a simple and reasonable structure, can realize automatic stepping conveying of the workpiece by continuously repeating the process of conveying the workpiece in a reciprocating manner, greatly improves the conveying speed of the workpiece and ensures that the operation efficiency is higher; moreover, the transfer stroke is more accurate, and errors are not easy to occur, so that the processing and assembling quality of the workpiece is improved; moreover, manual operation is replaced, a large amount of labor force is not needed to circularly repeat complex transferring actions, the fatigue condition is avoided, the production cost is greatly reduced, and the production and processing requirements of high efficiency, high quality and batch can be better met. In addition, through adjusting the opening and closing distance between the first V-shaped positioning groove and the second V-shaped positioning groove which can be opened and closed, the clamping positioning device can be adapted to clamp and position workpieces with different sizes, the adaptability is greatly improved, a fixed jig does not need to be replaced, the time occupied by replacement operation is avoided, the operation efficiency is further improved, the adjustment operation is simple, and the use is more convenient and rapid.

Drawings

Fig. 1 is an assembled perspective view of an embodiment of a step transfer device according to the present application.

Fig. 2 is an assembled perspective view of fig. 1 with the first clamping and transferring frame removed.

Fig. 3 is an assembled perspective view of the workpiece-bearing assembly of fig. 1.

Fig. 4 is a perspective view illustrating an assembly of the positioning tube and the elastic member according to an embodiment of the step-and-transfer device of the present application.

Detailed Description

The present application will be further described with reference to the accompanying drawings and preferred embodiments, but the embodiments of the present application are not limited thereto.

Referring to fig. 1 to 3, the step transfer device 100 of the present application is adapted to transfer a workpiece 200 in a step manner, wherein the step transfer device 100 of the present application includes: the device comprises a base 10a, a first translation slide seat 20a, a reciprocating translation driving mechanism 30, a first clamping and transferring frame 40, a second clamping and transferring frame 50, a bearing plate 10b, a first opening and closing driving mechanism 60 and a lifting and pressing mechanism 80, wherein the first translation slide seat 20a is arranged on the base 10a in a moving mode along a horizontal conveying direction, the reciprocating translation driving mechanism 30 is arranged on the base 10a, and the first translation slide seat 20a is in transmission connection with the reciprocating translation driving mechanism 30 so as to drive the first translation slide seat 20a to move in a reciprocating mode through the reciprocating translation driving mechanism 30. The first clamping/transfer frame 40 and the second clamping/transfer frame 50 are horizontally provided on the first translation slide 20a so as to be movable relative to each other in an opening/closing manner, and the moving directions of the first clamping/transfer frame 40 and the second clamping/transfer frame 50 are perpendicular to the horizontal conveying direction. The carrier plate 10b is fixed to the base 10a along the horizontal conveying direction, the carrier plate 10b is located between the first clamping and transferring frame 40 and the second clamping and transferring frame 50, and the workpiece 200 is carried on the carrier plate 10 b. A plurality of first V-shaped positioning grooves 41 are formed on the first clamping and transferring frame 40, the first V-shaped positioning grooves 41 are uniformly distributed along the horizontal conveying direction at intervals, second V-shaped positioning grooves 51 which are opposite and right opposite to the first V-shaped positioning grooves 41 in a one-to-one correspondence manner are formed on the second clamping and transferring frame 50, and a positioning and clamping area 10c for positioning and clamping the workpiece 200 is formed between the first V-shaped positioning grooves 41 and the right opposite second V-shaped positioning grooves 51, so that the workpiece 200 is clamped and positioned, and the workpiece 200 is prevented from loosening and deviating. The first opening/closing driving mechanism 60 is disposed on the first translation slide 20a, and the first clamping/transferring frame 40 and the second clamping/transferring frame 50 are both in transmission connection with the first opening/closing driving mechanism 60, so as to drive the first clamping/transferring frame 40 and the second clamping/transferring frame 50 to horizontally move in an opening/closing manner through the first opening/closing driving mechanism 60. The lifting pressing mechanism 80 is arranged on the base 10a, and when the first V-shaped positioning groove 41 and the opposite second V-shaped positioning groove 51 clamp and position the corresponding workpiece 200, the lifting pressing mechanism 80 is far away from the workpiece 200; when the first V-shaped positioning slot 41 and the opposite second V-shaped positioning slot 51 are far away from the corresponding workpiece 200, the lifting pressing mechanism 80 presses against the workpiece 200. Then, the first opening/closing driving mechanism 60 drives the first clamping/transferring frame 40 and the second clamping/transferring frame 50 to move close to each other until the first V-shaped positioning slot 41 and the opposite second V-shaped positioning slot 51 clamp and position the corresponding workpiece 200, at this time, the lifting/pressing mechanism 80 is far away from the workpiece 200, and the reciprocating/translation driving mechanism 30 drives the first translation slide 20a to drive the first clamping/transferring frame 40 and the second clamping/transferring frame 50 to synchronously move forward along the horizontal conveying direction by a distance between two adjacent positioning/clamping areas 10c, so as to transfer the workpiece 200 from the originally located positioning/clamping area 10c to the next adjacent positioning/clamping area 10 c; then, the first opening/closing driving mechanism 60 drives the first clamping/transferring frame 40 and the second clamping/transferring frame 50 to move away from each other, so that the first V-shaped positioning slot 41 and the opposite second V-shaped positioning slot 51 are away from the corresponding workpiece 200, at this time, the lifting/pressing mechanism 80 is pressed against the workpiece 200 to prevent the workpiece 200 from moving, and then the reciprocating/translation driving mechanism 30 drives the first translation slide 20a to drive the first clamping/transferring frame 40 and the second clamping/transferring frame 50 to synchronously move backwards along the opposite direction of the horizontal conveying direction to reset a stroke of the distance length between two adjacent positioning/clamping areas 10c, so as to enter the circulation process of transferring the next workpiece 200. The structure is simple and reasonable, the automatic step-by-step transfer of the workpiece 200 can be realized by continuously repeating the process of transferring the workpiece 200 in a reciprocating manner, the transfer speed of the workpiece 200 is greatly improved, and the operation efficiency is higher; moreover, the transfer stroke is more accurate, and errors are not easy to occur, so that the processing and assembling quality of the workpiece 200 is improved; moreover, manual operation is replaced, a large amount of labor force is not needed to circularly repeat complex transferring actions, the fatigue condition is avoided, the production cost is greatly reduced, and the production and processing requirements of high efficiency, high quality and batch can be better met. In addition, the opening and closing distance between the first V-shaped positioning groove 41 and the second V-shaped positioning groove 51 which can be opened and closed is adjusted, so that the workpiece 200 with different sizes and specifications can be clamped and positioned, the adaptability is greatly improved, a fixed jig does not need to be replaced, the time occupied by replacement operation is avoided, the operation efficiency is further improved, the adjustment operation is simple, and the use is more convenient and rapid.

Specifically, the following:

wherein, the first opening/closing drive mechanism 60 includes: a first rotary driver 61 and a first bidirectional screw 62, the first rotary driver 61 can be selected as a motor, but not limited to this, the first rotary driver 61 is fixed on the first translation slide 20a, the first bidirectional screw 62 is horizontally pivoted on the first translation slide 20a, the first bidirectional screw 62 is perpendicular to the horizontal conveying direction, the first bidirectional screw 62 is in transmission connection with the output end of the first rotary driver 61; the first clamping and transferring frame 40 is threadedly coupled to one end of the first bidirectional screw 62, and the second clamping and transferring frame 50 is threadedly coupled to the other end of the first bidirectional screw 62. The first rotary driver 61 drives the first bidirectional screw 62 to rotate forward and backward, so as to drive the first clamping and transferring frame 40 and the second clamping and transferring frame 50 to move horizontally and relatively to open and close, and the structure is simple and reasonable.

Preferably, the step transfer device 100 of the present application further includes: and a second translation slider 20b, the second translation slider 20b being provided on the base 10a so as to be movable in the horizontal conveyance direction, and the first clamping/transfer frame 40 and the second clamping/transfer frame 50 are both horizontally movable in the second translation slider 20b so as to be perpendicular to the horizontal conveyance direction. The horizontal relative opening and closing movement of the first clamping and transferring frame 40 and the second clamping and transferring frame 50 is more stable and reliable in structure.

Meanwhile, the step transfer device 100 of the present application further includes: a second opening/closing drive mechanism 70, the second opening/closing drive mechanism 70 including: a second rotary driver 71 and a second bidirectional screw 72, the second rotary driver 71 can be selected as a motor, but not limited to this, the second rotary driver 71 is fixed on the second translation slide 20b, the second bidirectional screw 72 is horizontally pivoted on the second translation slide 20b, the second bidirectional screw 72 is perpendicular to the horizontal conveying direction, the second bidirectional screw 72 is in transmission connection with the output end of the second rotary driver 71; the first clamping and transferring frame 40 is threadedly coupled to one end of the second bidirectional screw 72, and the second clamping and transferring frame 50 is threadedly coupled to the other end of the second bidirectional screw 72. The second rotary driver 71 drives the second bidirectional screw 72 to rotate forward and backward, so that the first clamping and transferring frame 40 and the second clamping and transferring frame 50 are synchronously driven to horizontally and relatively move for opening and closing by matching with the first bidirectional screw 62, and the first clamping and transferring frame 40 and the second clamping and transferring frame 50 are more smoothly and stably horizontally and relatively moved for opening and closing, and the structure is stable and reliable.

Further, the reciprocating translational drive mechanism 30 includes: a third rotation driver 31 and a one-way screw 32, the third rotation driver 31 can be selected as a motor, but not limited thereto, the third rotation driver 31 is fixed on the base 10a, the one-way screw 32 is pivoted on the base 10a along the horizontal conveying direction, the one-way screw 32 is connected to the output end of the third rotation driver 31 in a transmission manner, and the first translation sliding seat 20a is connected to the one-way screw 32 in a threaded manner. Then, the third rotary driver 31 drives the unidirectional screw 32 to rotate forward and backward, so as to drive the first translation sliding base 20a, the first clamping and transferring frame 40, the second clamping and transferring frame 50 and the second translation sliding base 20b to reciprocate synchronously, and the structure is simple and reasonable.

Further, the elevating and pressing mechanism 80 includes: the linear actuator 81 can be selected from an air cylinder, but not limited thereto, the linear actuator 81 is vertically fixed on the base 10a, the lower end of the connecting arm 82 is fixedly connected to the output end of the linear actuator 81, the pressing plate 83 is horizontally fixed on the upper end of the connecting arm 82 along the horizontal conveying direction, and the pressing plate 83 is located right above the bearing plate 10 b; the pressing plate 83 has the same number of pressing portions (not labeled in the figures) as the positioning and clamping areas 10c, and the distance between two adjacent pressing portions is equal to the distance between two adjacent positioning and clamping areas 10 c. The linear actuator 81 drives the connecting arm 82 to drive the pressing plate 83 to move downward or upward, so as to clamp or release the workpiece 200 supported on the corresponding supporting plate 10b, which has a simple and reasonable structure and a simple and quick action. Preferably, the middle part of the pressing part is provided with an avoiding hole 831 to avoid a protruding structure on the workpiece 200, so as to better clamp and position the workpiece 200.

Preferably, referring to fig. 1 to 4, in order to position the workpiece 200 on the loading plate 10b, the lifting and pressing mechanism 80 further includes: at least one of the pressing parts of the positioning tubes 90a is vertically and slidably provided with a positioning tube 90a, and the inner side of the lower end of the positioning tube 90a is also provided with a positioning conical surface 91. Furthermore, the lifting pressing mechanism 80 further includes an elastic member 90b corresponding to the positioning tube 90a, the elastic member 90b may be a spring, but not limited thereto, the elastic member 90b abuts between the corresponding positioning tube 90a and the bottom surface of the pressing portion, and the elastic member 90b constantly drives the positioning tube 90a to move downward. The corresponding part on the workpiece 200 can be positioned by the positioning conical surface 91 at the lower end of the positioning tube 90a, and the positioning conical surface 91 at the lower end of the positioning tube 90a can be driven to be in good contact with the corresponding part on the workpiece 200 by the elastic force of the elastic piece 90b, so that the workpiece 200 can be accurately positioned.

It should be noted that, according to actual use requirements, all the pressing portions on the pressing plate 83 may be selected to be provided with the positioning tube 90a and the elastic member 90b, or only a part of the pressing portions on the pressing plate 83 may be selected to be provided with the positioning tube 90a and the elastic member 90b, so as to meet different positioning requirements.

Preferably, the first V-shaped positioning slot 41 and the second V-shaped positioning slot 51 are both right-angled slots to more stably and tightly clamp and position the workpiece 200, and the structure is more reasonable, but not limited thereto.

For example, the workpiece 200 to be transferred by the stepping and transferring device 100 of the present application may be selected as an outer frame of a fan, but not limited thereto, and those skilled in the art may also flexibly select the outer frame according to actual requirements, and therefore, the details are not described herein again.

The operation of the stepping transfer device 100 will be described in detail with reference to the accompanying drawings:

the first opening/closing driving mechanism 60 and the second opening/closing driving mechanism 70 synchronously drive the first clamping/transferring frame 40 and the second clamping/transferring frame 50 to move close to each other until the first V-shaped positioning slot 41 and the opposite second V-shaped positioning slot 51 clamp and position the corresponding workpiece 200, and at this time, the lifting/lowering pressing mechanism 80 is far away from the workpiece 200 to loosen the pressing of the workpiece 200; the reciprocating driving mechanism 30 drives the first translation slide 20a to drive the first clamping/transferring frame 40, the second clamping/transferring frame 50 and the second translation slide 20b to move forward along the horizontal conveying direction by a distance between two adjacent positioning/clamping areas 10c, so as to transfer the workpiece 200 from the original positioning/clamping area 10c to the next adjacent positioning/clamping area 10 c.

Then, the first opening/closing driving mechanism 60 and the second opening/closing driving mechanism 70 synchronously drive the first clamping/transferring frame 40 and the second clamping/transferring frame 50 to move away from each other, so that the first V-shaped positioning slot 41 and the opposite second V-shaped positioning slot 51 are away from the corresponding workpiece 200, at this time, the lifting/pressing mechanism 80 is pressed against the workpiece 200 to press the workpiece 200, thereby preventing the workpiece 200 from moving, and then the reciprocating/translation driving mechanism 30 drives the first translation slide 20a to drive the first clamping/transferring frame 40 and the second clamping/transferring frame 50 to synchronously move backwards along the opposite direction of the horizontal conveying direction to reset a stroke of the distance length between two adjacent positioning/clamping areas 10c, thereby entering a circulation process of transferring the next workpiece 200.

The process of reciprocating the workpiece 200 is repeated continuously to realize the automatic stepping transfer of the workpiece 200. Moreover, by adjusting the opening and closing distance between the first V-shaped positioning groove 41 and the second V-shaped positioning groove 51, which can be opened and closed, workpieces 200 of different sizes can be clamped and positioned.

Since the first translation slide 20a of the stepping and transferring device 100 of the present application is movably disposed on the base 10a along a horizontal conveying direction, the reciprocating translation driving mechanism 30 is disposed on the base 10a, and the first translation slide 20a is in transmission connection with the reciprocating translation driving mechanism 30; the first clamping and transferring frame 40 and the second clamping and transferring frame 50 are arranged on the first translation sliding seat 20a and can horizontally move relative to each other in an opening and closing manner, and the moving directions of the first clamping and transferring frame 40 and the second clamping and transferring frame 50 are vertical to the horizontal conveying direction; the carrier plate 10b is fixed on the base 10a along the horizontal conveying direction, the carrier plate 10b is located between the first clamping and transferring frame 40 and the second clamping and transferring frame 50, and the workpiece 200 is carried on the carrier plate 10 b; a plurality of first V-shaped positioning grooves 41 are formed in the first clamping and transferring frame 40, the first V-shaped positioning grooves 41 are uniformly distributed along the horizontal conveying direction at intervals, second V-shaped positioning grooves 51 which are opposite to the first V-shaped positioning grooves 41 in a one-to-one correspondence manner are formed in the second clamping and transferring frame 50, and a positioning and clamping area 10c for positioning and clamping the workpiece 200 is formed between the first V-shaped positioning grooves 41 and the opposite second V-shaped positioning grooves 51; the first opening/closing drive mechanism 60 is provided on the first translation slide 20a, and the first clamping and transfer frame 40 and the second clamping and transfer frame 50 are both in transmission connection with the first opening/closing drive mechanism 60; the lifting pressing mechanism 80 is arranged on the base 10a, and when the first V-shaped positioning groove 41 and the opposite second V-shaped positioning groove 51 clamp and position the corresponding workpiece 200, the lifting pressing mechanism 80 is far away from the workpiece 200; when the first V-shaped positioning slot 41 and the opposite second V-shaped positioning slot 51 are far away from the corresponding workpiece 200, the lifting pressing mechanism 80 presses against the workpiece 200. Then, the first opening/closing driving mechanism 60 drives the first clamping/transferring frame 40 and the second clamping/transferring frame 50 to move close to each other until the first V-shaped positioning slot 41 and the opposite second V-shaped positioning slot 51 clamp and position the corresponding workpiece 200, at this time, the lifting/pressing mechanism 80 is far away from the workpiece 200, and the reciprocating/translation driving mechanism 30 drives the first translation slide 20a to drive the first clamping/transferring frame 40 and the second clamping/transferring frame 50 to synchronously move forward along the horizontal conveying direction by a distance between two adjacent positioning/clamping areas 10c, so as to transfer the workpiece 200 from the originally located positioning/clamping area 10c to the next adjacent positioning/clamping area 10 c; then, the first opening/closing driving mechanism 60 drives the first clamping/transferring frame 40 and the second clamping/transferring frame 50 to move away from each other, so that the first V-shaped positioning slot 41 and the opposite second V-shaped positioning slot 51 are away from the corresponding workpiece 200, at this time, the lifting/pressing mechanism 80 is pressed against the workpiece 200 to prevent the workpiece 200 from moving, and then the reciprocating/translation driving mechanism 30 drives the first translation slide 20a to drive the first clamping/transferring frame 40 and the second clamping/transferring frame 50 to synchronously move backwards along the opposite direction of the horizontal conveying direction to reset a stroke of the distance length between two adjacent positioning/clamping areas 10c, so as to enter the circulation process of transferring the next workpiece 200. The structure is simple and reasonable, the automatic step-by-step transfer of the workpiece 200 can be realized by continuously repeating the process of transferring the workpiece 200 in a reciprocating manner, the transfer speed of the workpiece 200 is greatly improved, and the operation efficiency is higher; moreover, the transfer stroke is more accurate, and errors are not easy to occur, so that the processing and assembling quality of the workpiece 200 is improved; moreover, manual operation is replaced, a large amount of labor force is not needed to circularly repeat complex transferring actions, the fatigue condition is avoided, the production cost is greatly reduced, and the production and processing requirements of high efficiency, high quality and batch can be better met. In addition, the opening and closing distance between the first V-shaped positioning groove 41 and the second V-shaped positioning groove 51 which can be opened and closed is adjusted, so that the workpiece 200 with different sizes and specifications can be clamped and positioned, the adaptability is greatly improved, a fixed jig does not need to be replaced, the time occupied by replacement operation is avoided, the operation efficiency is further improved, the adjustment operation is simple, and the use is more convenient and rapid.

The present application has been described in connection with the embodiments, but the present application is not limited to the embodiments disclosed above, and various modifications and equivalent combinations that are made according to the essence of the present application should be covered.

Claims (10)

1. A step transfer device adapted to step-transfer a workpiece, comprising: the device comprises a base, a first translation sliding seat, a reciprocating translation driving mechanism, a first clamping and transferring frame, a second clamping and transferring frame, a bearing plate, a first opening and closing driving mechanism and a lifting and pressing mechanism, wherein the first translation sliding seat is movably arranged on the base along a horizontal conveying direction, the reciprocating translation driving mechanism is arranged on the base, and the first translation sliding seat is in transmission connection with the reciprocating translation driving mechanism; the first clamping and transferring frame and the second clamping and transferring frame are arranged on the first translation sliding seat and can be horizontally opened and closed relatively, and the moving directions of the first clamping and transferring frame and the second clamping and transferring frame are vertical to the horizontal conveying direction; the bearing plate is fixed on the base along the horizontal conveying direction, the bearing plate is positioned between the first clamping and transferring frame and the second clamping and transferring frame, and the workpiece is borne on the bearing plate; a plurality of first V-shaped positioning grooves are formed in the first clamping and transferring frame, the first V-shaped positioning grooves are uniformly distributed along the horizontal conveying direction at intervals, second V-shaped positioning grooves which are opposite to the first V-shaped positioning grooves in a one-to-one correspondence mode are formed in the second clamping and transferring frame, and a positioning clamping area for positioning and clamping the workpiece is formed between the first V-shaped positioning grooves and the second V-shaped positioning grooves opposite to the first V-shaped positioning grooves; the first opening and closing driving mechanism is arranged on the first translation sliding seat, and the first clamping and transferring frame and the second clamping and transferring frame are in transmission connection with the first opening and closing driving mechanism; the lifting pressing mechanism is arranged on the base, and when the first V-shaped positioning groove and the second V-shaped positioning groove which is opposite to the first V-shaped positioning groove clamp and position the corresponding workpiece, the lifting pressing mechanism is far away from the workpiece; when the first V-shaped positioning groove and the second V-shaped positioning groove which is opposite to the first V-shaped positioning groove are far away from the corresponding workpiece, the lifting pressing mechanism is pressed against the workpiece.

2. The step transfer device according to claim 1, wherein the first opening/closing drive mechanism includes: the first rotary driver is fixed on the first translation sliding seat, the first bidirectional screw is horizontally pivoted on the first translation sliding seat and is perpendicular to the horizontal conveying direction, and the first bidirectional screw is in transmission connection with the output end of the first rotary driver; the first clamping and transferring frame is in threaded connection with one end of the first bidirectional screw, and the second clamping and transferring frame is in threaded connection with the other end of the first bidirectional screw.

3. The step transfer device according to claim 1, further comprising: and the first clamping and transferring frame and the second clamping and transferring frame horizontally move on the second translation sliding seat along the horizontal conveying direction.

4. The step transfer device according to claim 3, further comprising: a second opening and closing drive mechanism, the second opening and closing drive mechanism comprising: the second rotary driver is fixed on the second translation sliding seat, the second bidirectional screw is horizontally pivoted on the second translation sliding seat and is perpendicular to the horizontal conveying direction, and the second bidirectional screw is in transmission connection with the output end of the second rotary driver; the first clamping and transferring frame is in threaded connection with one end of the second bidirectional screw, and the second clamping and transferring frame is in threaded connection with the other end of the second bidirectional screw.

5. The step transfer device of claim 1, wherein the reciprocating translational drive mechanism comprises: the third rotary driver is fixed on the base, the one-way screw rod is pivoted on the base along the horizontal conveying direction, the one-way screw rod is in transmission connection with the output end of the third rotary driver, and the first translation sliding seat is in threaded connection with the one-way screw rod.

6. The step transfer device according to claim 1, wherein the elevation pressing mechanism comprises: the device comprises a linear driver, a connecting arm and a pressing plate, wherein the linear driver is vertically fixed on the base, the lower end of the connecting arm is fixedly connected to the output end of the linear driver, the pressing plate is horizontally fixed at the upper end of the connecting arm along the horizontal conveying direction, and the pressing plate is positioned right above the bearing plate; the pressing plate is provided with pressing parts, the number of the pressing parts is the same as that of the positioning and clamping areas, and the distance between every two adjacent pressing parts is equal to that between every two adjacent positioning and clamping areas.

7. The stepping and transferring device as claimed in claim 6, wherein the pressing portion has a relief hole formed at a middle portion thereof.

8. The step transfer device of claim 6, wherein the elevation hold-down mechanism further comprises: at least one of the pressing parts is vertically and slidably provided with the positioning pipe, and the inner side of the lower end of the positioning pipe is also provided with a positioning conical surface.

9. The step-by-step transfer device as claimed in claim 8, wherein the lifting/lowering/pressing mechanism further comprises elastic members corresponding to the positioning tubes one by one, the elastic members abut against between the corresponding positioning tubes and the bottom surfaces of the pressing portions, and the elastic members constantly urge the positioning tubes to move downward.

10. The step transfer device of claim 9, wherein the first V-shaped positioning slot and the second V-shaped positioning slot are right-angled slots.

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